[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR182.320]

[Page 269]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 182--MACHINERY INSTALLATION--Table of Contents
 
                     Subpart C--Auxiliary Machinery
 
Sec. 182.320  Water heaters.

    (a) A water heater must meet the requirements of parts 53 and 63 of 
this chapter if rated at not more than 689 kPa (100 psig) and 121[deg] C 
(250[deg] F), except that an electric water heater is also acceptable if 
it:
    (1) Has a capacity of not more than 454 liters (120 gallons);
    (2) Has a heat input of not more than 58.6 kilowatts (200,000 Btu 
per hour);
    (3) Is listed by Underwriters Laboratories (UL) under UL 174, 
``Household Electric Storage Tank Water Heaters,'' UL 1453, ``Electric 
Booster and Commercial Storage Tank Water Heaters,'' or other standard 
specified by the Commandant; and
    (4) Is protected by a pressure-temperature relief device.
    (b) A water heater must meet the requirements of parts 52 and 63 of 
this chapter if rated at more than 689 kPa (100 psig) or 121[deg] C 
(250[deg] F).
    (c) A water heater must be installed and secured from rolling by 
straps or other devices to the satisfaction of the cognizant OCMI.

[CGD 85-080, 61 FR 986, Jan. 10, 1996; 61 FR 20557, May 7, 1996, as 
amended at 62 FR 51358, Sept. 30, 1997]